Name: Valve Cover Center Bolt Seal Grommet
Brand: LINDE POLYMER
SKU: 260911961

Description

Technical Parameters

Products Description

Valve cover center bolt seal grommet is a precision sealing component designed for engine valve covers. It is used to ensure efficient sealing between the center bolt and the valve cover, prevent oil leakage, and reduce vibration and noise. It is suitable for gasoline/diesel engines and is compatible with a variety of vehicle models and industrial equipment.

Valve-Cover-Center-Bolt-Seal-Grommets

Core Features of Valve Cover Center Bolt Seal Grommet

Material Properties: Valve cover center bolt seal grommet uses highly oil-resistant nitrile rubber (NBR) or fluororubber (FKM), which can withstand extreme temperatures (-40°C to +200°C) and oil and chemical corrosion.

Shock Absorption Design: The flexible rubber body effectively absorbs high-frequency vibrations of the engine and prolongs the life of the bolts and valve covers.

Anti-Aging Formula: Add antioxidants and anti-ozone ingredients to extend the service life and adapt to harsh working conditions.

Standardized Size: Strictly follow SAE/JIS standards and adapt to the center bolt specifications of mainstream brands (such as Toyota, Volkswagen, GM, etc.).

Multi-Scenario Compatibility: Widely applicable to overhead camshaft (OHC) engine designs for passenger cars, commercial vehicles, construction machinery and generator sets.

Technical Parameters

Material Options: NBR (standard working conditions) / FKM (high temperature and high corrosion environment)

Working Temperature: -40°C ~ +200°C

Pressure Tolerance: ≤1.5 MPa

Certification Standards: ISO 9001, IATF 16949 (Automotive Industry Quality Management System)

FKM 80	Property	Unit	Test Method	Test Parameter	Value
	Hardness	Shore A	ASTM D 2240		77 +3/-2
	Tensile Strength	MPa	ASTM D 412		14.8
	Ultimate Elongation	%	ASTM D 412		188
	Modulus at 100%	MPa	ASTM D 412		6.2
	Specific Gravity	g/cm³	ASTM D 297		1.85
	Compression Set	%	ASTM D 395 B	22h / 200°C	22
	Low temp. resistance	°C	ASTM D 1329	TR10	-17

Why Choose Us

Material Innovation and Rich Product Lines

3000+ material formulas, 2000+ product specifications, covering more than ten industries such as automobiles, aviation, and medical.

Independent R&D capabilities, reducing supply chain dependence, and flexibly meeting customized needs.

Strict Quality Control and Efficient Production

97.1% yield rate, ensuring quality stability and cost advantages.

Process optimization to achieve rapid delivery and enhance customer responsiveness.

High-performance Sealing Solutions

Expertise Fluororubber (FKM) and other high-temperature and corrosion-resistant materials, adapted to extreme working conditions (such as automobile engines, petrochemical equipment).

Cross-industry Service Experience

Deeply cultivate high-end fields such as automobiles, aviation, electronics, and military industry, with strong technical adaptability and risk dispersion.

about Us

Company profile

Linde Polymer Tec Co., Ltd. mainly produces a variety of rubber compounds and rubber seals and currently has more than 3,000 material formulas and more than 2,000 product specifications. Products are suitable for automotive, aviation, machinery, petrochemical, medical, food, electronics, military, industrial, and other fields. Since the establishment of the factory, the company has completed the process consistency operation, and the product yield rate has reached 97.1%.